Roundabout rules — Montana Permit Test

Driving speeds in Montana roundabouts are 15 mph or less.

Going in fast leaves no time to yield to the car already circling or the person in the crosswalk.

Slow Down – Driving speeds in roundabouts are 15 mph or less.

When entering a roundabout, yield to vehicles already in it; they have the right-of-way.

A driver who pulls in without looking left is struck by a car already in the circle.

Look to the Left –Yield to vehicles that are already in the roundabout; they have the right-of-way.

Traffic in a Montana roundabout flows counterclockwise, staying to the right of the center island.

Going the wrong way around the island puts you head-on with every other car in the circle.

Traffic flows in a counterclockwise direction.

Never pass another vehicle after entering a single-lane roundabout.

A single-lane circle has no room for two cars side by side, so a pass forces one into the curb.

Never pass or overtake another vehicle after entering a single-lane roundabout.

Travel around the roundabout until you reach your street, then use your right-turn signal and exit.

Without the signal, a driver waiting to enter cannot tell you are leaving and may pull into you.

Travel Around the Circle – Travel around the circle until you reach your desired street; use your right-turn signal and exit the roundabout.

What is the driving speed in a Montana roundabout?

15 mph or less. Going in fast leaves no time to yield to the car already circling or the person in the crosswalk. Montana Driver Manual, p.32: “Slow Down – Driving speeds in roundabouts are 15 mph or less.”